script

pm.globals.unset("sign");

var d = new Date();
var hours = d.getHours();
var minutes = d.getMinutes();
var seconds = d.getSeconds();
var day = d.getDate();
var monthIndex = d.getMonth() + 1;
var year = d.getFullYear().toString();

if ( hours < 10 )
    {
        hours = "0" + hours.toString() ;
    }
else 
    {
        hours = hours.toString() ;
    }

if ( minutes < 10 )
    {
        minutes = "0" + minutes.toString() ;
    }
else 
    {
        minutes = minutes.toString() ;
    }
if ( seconds < 10 )
    {
        seconds = "0" + seconds.toString() ;
    }
else 
    {
        seconds = seconds.toString() ;
    }

if ( day < 10 )
    {
        day = "0" + day.toString() ;
    }
else 
    {
        day = day.toString() ;
    }

if ( monthIndex < 10 )
    {
        monthIndex = "0" + monthIndex.toString() ;
    }
else 
    {
        monthIndex = monthIndex.toString() ;
    }

var pubDate = monthIndex + day +(d.getTime()/1000).toString().substring(0,10) + (Math.floor(Math.random()*(999-100)) +100) ;

var orderNum = "T8" + pubDate;
pm.environment.set("orderNum", orderNum);
console.log(orderNum);
var mchntid = pm.environment.get("intStoreCode");
var inscode = pm.environment.get("inscode");

request.data = request.data.replace(/{{orderNum}}/,orderNum);
request.data = request.data.replace(/{{intStoreCode}}/,mchntid);
request.data = request.data.replace(/{{inscode}}/,inscode);

var jsondata = JSON.parse(request.data);

var paramskey = new Array();
var i =0;
for(var key in jsondata){
    if(key!='sign'){
    paramskey[i]=key;
    i++;
    }
}
paramskey.sort();

var strstamp=' ';
for (var j=0;j<i;j++){
    strstamp=strstamp+paramskey[j]+'='+jsondata[paramskey[j]]+'&';
}
strstamp=strstamp.substring(1,strstamp.length-1);
    
strstamp=strstamp+pm.environment.get("signkey");
console.log(strstamp);
//use SHA1, also you can use SHA256,MD5
var strsign=CryptoJS.SHA1(strstamp).toString();
console.log(strsign);
pm.globals.set("sign", strsign)